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Finding the Fourth Proportional to 10,805.80, 16,207.26 and 3,013.96

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Solution

The fourth proportional to 10,805.80, 16,207.26 and 3,013.96 is: 4,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.80 : 16,207.26 = 3,013.96 : x
  2. Step 2: Convert to fraction form
    10,805.80/16,207.26 = 3,013.96/x
  3. Step 3: Cross multiply
    10,805.80x = 16,207.26 × 3,013.96
  4. Step 4: Simplify right side
    10,805.80x = 48,848,033.35
  5. Step 5: Solve for x
    x = 48,848,033.35/10,805.80
  6. Step 6: Final answer
    x = 4,520.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.